Resprep® Resin SPE Disk
• 47 mm glass fiber disks embedded with styrene/DVB resin. • For chlorinated, benzidine-containing, or nitrogen-containing pesticides. • Meet requirements of EPA Methods 515.2 and 553.

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Need more data and more samples to see if these are applicable for water.
Analyze water samples
They were easy to use but the results were not reproducible.
Review Date: 19 Nov 2020 | Restek Corp.
They are my favorites, I highly recommend them.
Analyze compounds of flavours, pesticides and contaminants
I have used these a lot for the extraction of compounds that belong to a flavor, both salty and sweet and they are excellent. Both in reverse and inverse phase.
Review Date: 9 Dec 2019 | Restek Corp.
• 47 mm glass fiber disks embedded with styrene/DVB resin.
• For chlorinated, benzidine-containing, or nitrogen-containing pesticides.
• Meet requirements of EPA Methods 515.2 and 553.